Corona Picture, finally <dusts hands off>

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dccole9
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Corona Picture, finally <dusts hands off>

Post by dccole9 » Sat Aug 26, 2017 2:52 pm

I had been wanting to do an HDR picture of a solar eclipse ever since I saw what was possible over the years. Well, it finally came to fruition and, after catching up on my day job, here's my first result:

Image21 Aug 2017 HDR Eclipse by Chris Cole, on Flickr

It was a surreal experience. I am very envious of my wife. Her birthday was August 21st and she got an eclipse as a present!

If the opportunity is there, I'll trek to the path of totality in 2024. I can only imagine what tech will make life easier then. Smartphones weren't around when I took my first astrophoto!

Chris

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Re: Corona Picture, finally <dusts hands off>

Post by Carbon60 » Sat Aug 26, 2017 5:15 pm

Fabulous image, Chris. You've captured lots of wonderful detail here. Superb result.

Any chance of a detailed explanation of your equipment, settings and processing technique?

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Corona Picture, finally <dusts hands off>

Post by Derek Klepp » Sat Aug 26, 2017 9:54 pm

Well done Chris.

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Re: Corona Picture, finally <dusts hands off>

Post by dccole9 » Sat Aug 26, 2017 11:27 pm

Sure! From top down:

Stellarvue 90mm f7
Canon 600d camera with Magic Lantern software
Ap900gto mount

The picture was from a HDR composition(sec) 1/4000, 1/1000, 1/250, 1/60, 1/15, 1/4, 1”, 4" exposures although I didn't use the 4" exposure.

Magic Lantern is great for bracketing and completely automates the sequence.

The processing involved using the "Pellet Method" in Photoshop which is outlined on astropix.com. I highly recommend checking it out, the workflow is fairly straightforward:

http://www.astropix.com/html/j_digit/e_comp.html

A few more tweaks in Photoshop and this gives the result above. However, I still haven't figured out how to add the prominences.

I really wanted to join you and the other veterans of Solarchat but the logistics weren't there. Are you considering the eclipse in 2024?

Chris Cole

BTW, love your Ha work! Heck, everyone's work here covers about ever nook and cranny of the event.

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Re: Corona Picture, finally <dusts hands off>

Post by ffellah » Sun Aug 27, 2017 11:41 am

That is a fantastic image, Chris, well done !

Franco

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Re: Corona Picture, finally <dusts hands off>

Post by Bruce Girrell » Sun Aug 27, 2017 5:28 pm

Nice!

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Re: Corona Picture, finally <dusts hands off>

Post by Carbon60 » Sun Aug 27, 2017 7:10 pm

Thanks for the details, Chris. Sharing info is what makes this site so great.

Thinking about 2024 for sure.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Corona Picture, finally <dusts hands off>

Post by OTangen » Fri Sep 01, 2017 9:08 am

HI!

Wonderful detail Chris. One of the best results I've seen so far.

Oivind Tangen
60N 10E

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Re: Corona Picture, finally <dusts hands off>

Post by Montana » Wed Sep 06, 2017 12:18 pm

Wow! well done! did you use the first method? :bow :bow :bow
You have answered my post, I will add the link and try it out tonight :)
Alexandra

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Re: Corona Picture, finally <dusts hands off>

Post by marktownley » Sun Sep 10, 2017 9:45 pm

That's a super shot of the Corona Chris!
Image
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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